In Angular 2, promises have been replaced with *observables*, which offer a way to subscribe to changes in an asynchronous
manner, rather than one-off asynchronous actions. An observable broadcasts a s...

React or Vue.js? A lot of web developers are wondering which one they should be using. Is one clearly superior over the other? Do they have specific pros and cons to be aware of? Or are they basically the same? We'll explore the pros and cons of each in this article.